Acrylic,(PMMA ),( polymethyl methacrylate), is the first choice in any light transmitting application. Acrylic offers superior clarity (92% light transmission for colorless material), and excellent weatherability (acrylics do not yellow when exposed to sunlight). Acrylics are UV stabilized and provide high resistance to breakage (17 times that of double-strength glass). Because of these characteristics, acrylics are ideally suited for all types of outdoor environments. Additionally, acrylics will not warp, crack, craze, or corrode when subjected to prolonged outdoor exposure.
Acrylic also offers exceptional stiffness and intermediate toughness. This thermoplastic material, first introduced in 1937, is now offered in molding and extrusion cubes, fine powders, film, sheet, rods, tubes, blocks, and light-conducting filaments. There are two basic classes f acrylics: unmodified and modified.
The unmodified acrylics have almost unlimited color possibilities and are stiff and tough compared to glass. Their resistance is outstanding against radiation from mercury-vapor, fluorescent, and incandescent lamps. Service temperatures range from -40 degrees F to + 240 degrees F. Dimensional stability is excellent, although, like other thermoplastics, Acrylics have large thermal coefficients of expansion. In the use of very large parts, or under extremes of temperature, provisions for expansion and contraction must be made.
Modified acrylics are acrylics that have the addition of impact modifiers, by physical blending and by copolymerization. Properties of greater toughness and better solvent resistance are imparted by modification of the basic material.
PMMA is often used in various implants because of its compatibility with human tissue. Because of its transparency and bio-compatibility, PMMA is important in ophthalmology for replacing the intraocular lens of cataract patient. PMMA is used as bone cement in orthopedic surgery. The modulus of elasticity is similar to natural bone giving it a more natural feeling for the patient than metallic alternatives. The benefits of utilizing PMMA within the body are countered with the exotherm that occurs while curing the acrylic. This generation of heat has the potential to damage surrounding tissue.
The unique properties, low cost and bio-compatibility of PMMA combine to make it the most commercially important acrylic available to date. Optical and mechanical properties are directly influenced by the microstructure of PMMA. The biocompatibility of PMMA has made it an important material for implants. The unique properties and wide range of applications ensure that PMMA will continue to be an essential polymer.
As a result of the growing demand for MMA we are offering you a high quality MMA generated from pmma recycling process
Our product is high quality monomer ready to be shiped allover the world , packed in barrels or in iso tanks depending on your preference.
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